659  
SXUS45 KMSO 192330  
RECGPI  
 
RECREATION FORECAST FOR FLATHEAD LAKE  
NATIONAL WEATHER SERVICE MISSOULA MT  
505 PM MDT FRI JUN 19 2026  
 
NOTE: THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE OF  
THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE  
SIGNIFICANTLY LESS ON UPWIND SHORES.  
   
TONIGHT
 
MOSTLY CLOUDY EARLY IN THE EVENING THEN CLEARING. LOWS  
IN THE MID 50S. VARIABLE WINDS UP TO 10 MPH. WAVES LESS THAN  
1 FOOT.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 70S. VARIABLE WINDS UP TO  
10 MPH BECOMING SOUTHWEST AROUND 15 MPH IN THE AFTERNOON. WAVES  
LESS THAN 1 FOOT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S. VARIABLE  
WINDS UP TO 10 MPH. WAVES LESS THAN 1 FOOT.    
SUNDAY
 
SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH A CHANCE  
OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE UPPER 60S. VARIABLE WINDS UP TO 10 MPH. CHANCE OF  
PRECIPITATION 50 PERCENT. WAVES LESS THAN 1 FOOT.  
 
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